
package tij4.ch17;

public class LiftOff implements Runnable
{

	protected int countDown = 10; // Default
	private static int taskCount = 0;
	private final int id = taskCount++;

	public LiftOff()
	{}

	public LiftOff(int countDown)
	{
		this.countDown = countDown;
	}

	public String status()
	{
		return "#" + id + "(" + (countDown > 0 ? countDown : "Liftoff!") + "), ";
	}

	public void run()
	{
		while (countDown-- > 0)
		{
			System.out.print(status());
			Thread.yield();
		}
	}

}
